CVE-2026-78637

HIGHPre-NVD 7.37.3—
EchelonGraph scoreHIGH confidence

Score 7.3 from GitHub Security Advisory published 2026-08-25. a secondary CVSS source baseline 7.3; sources differ by 0.0.

Triggered by: GitHub Security Advisory CVSS
Sources: epss, ghsa, secondary
Trending — 4 sources updated this weekElevated
7.3EG
EchelonGraph verdictPlan a fixSerious severity, but no confirmed exploitation yet.
  • High severity, but no confirmed exploitation yet
CISA-KEV: Not listedEPSS PROB: 0%CVSS: 7.3Exploit: Elevated riskExposed: 0

No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.

A vulnerability was detected in Fdawgs node-poppler up to 9.1.2/10.0.1. The impacted element is the function pdfInfo/pdfToText/pdfToCairo/pdfToPpm/pdfImages/pdfToHtml/pdfToPs/pdfFonts/pdfDetach/pdfAttach/pdfSeparate/pdfUnite of the file src/index.js of the component Argument Injection Handler. Performing a manipulation of the argument file_path results in argument injection. The attack may be initiated remotely. The patch is named db6e3f79d3beb20601be7e59669c39811ae3c330. It is recommended to apply a patch to fix this issue.

CVSS v3
7.3
EG Score
7.3(high)
EG Risk
64(Attend)
EG Risk 64/100SSVC: Attend

EG Risk is EchelonGraph's 0–100 priority score: it fuses intrinsic severity with real-world exploitation and automatability so you can rank equal-severity CVEs and fix the most dangerous first. Higher = act sooner. Distinct from the 0–10 EG Score (severity).

How it’s computed
Severity73% × 45%
Exploitation40% × 40%
Automatability100% × 15%
Action: Remediate soon — notable exploitation risk.
EPSS PROB
0%
EPSS %ILE
25%
KEV
Not listed

Published

August 25, 2026

Last Modified

August 26, 2026

Advisory Details (4)

Auto-updated Aug 25, 2026
🔬 Proof of concept available. Upstream fix merged — awaiting tagged release. Sources: github_pr, github_commit.
generic

GitHub - Fdawgs/node-poppler: Asynchronous Node.js wrapper for the Poppler PDF rendering utilities · GitHub

https://github.com/Fdawgs/node-poppler/
github_commit

commit db6e3f79d3be (Fdawgs/node-poppler)

Fix landed in Fdawgs/node-poppler commit db6e3f79d3be — awaiting tagged release

https://github.com/Fdawgs/node-poppler/commit/db6e3f79d3beb20601be7e59669c39811ae3c330
github_pr

fix(index): terminate option parsing before positional filepaths

Upstream fix in progress (PR #842 · Fdawgs/node-poppler, state=open)

https://github.com/Fdawgs/node-poppler/pull/842
generic🟡 PoC Available

Argument injection (CWE-88): file-path operands beginning with "-" are parsed as poppler-utils CLI switches · Issue #822 · Fdawgs/node-poppler · GitHub

https://github.com/Fdawgs/node-poppler/issues/822

Vendor Advisories for CVE-2026-78637(1)

These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.

Weakness Classification(2)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

Data Freshness Timeline

(refreshed 24× in last 7d / 24× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-08-30 02:14 UTCEG score recompute
  2. 2026-08-30 02:14 UTCGHSA enrichment
  3. 2026-08-30 01:22 UTCEPSS rescore
  4. 2026-08-29 13:16 UTCGHSA enrichment
  5. 2026-08-29 00:18 UTCEG score recompute
  6. 2026-08-29 00:18 UTCGHSA enrichment
  7. 2026-08-28 21:42 UTCEPSS rescore
  8. 2026-08-28 07:40 UTCGHSA enrichment
  9. 2026-08-27 18:42 UTCEG score recompute
  10. 2026-08-27 18:41 UTCGHSA enrichment
  11. 2026-08-27 14:25 UTCEPSS rescore
  12. 2026-08-27 05:42 UTCGHSA enrichment
  13. 2026-08-26 16:44 UTCEG score recompute
  14. 2026-08-26 16:44 UTCGHSA enrichment
  15. 2026-08-26 14:47 UTCEPSS rescore
  16. 2026-08-26 05:22 UTCGHSA enrichment
  17. 2026-08-25 16:24 UTCEG score recompute
  18. 2026-08-25 16:24 UTCGHSA enrichment
  19. 2026-08-25 15:30 UTCEG score recompute
  20. 2026-08-25 15:30 UTCGHSA enrichment
  21. 2026-08-25 13:49 UTCEPSS rescore
  22. 2026-08-25 05:25 UTCEG score recompute
  23. 2026-08-25 05:00 UTCEG score recompute
  24. 2026-08-25 05:00 UTCMITRE cvelistV5first tracked

Related CVEs(same CWE)

Frequently asked(5)

What is CVE-2026-78637?
CVE-2026-78637 is a high vulnerability published on August 25, 2026. A vulnerability was detected in Fdawgs node-poppler up to 9.1.2/10.0.1. The impacted element is the function pdfInfo/pdfToText/pdfToCairo/pdfToPpm/pdfImages/pdfToHtml/pdfToPs/pdfFonts/pdfDetach/pdfAttach/pdfSeparate/pdfUnite of the file src/index.js of the component Argument Injection Handler.…
When was CVE-2026-78637 disclosed?
CVE-2026-78637 was first published in the National Vulnerability Database on August 25, 2026, with the most recent update on August 26, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2026-78637 actively exploited?
CVE-2026-78637 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 0% probability of exploitation in the next 30 days, which ranks it in the top 75.0% of all scored CVEs.
What is the CVSS score of CVE-2026-78637?
CVE-2026-78637 has a CVSS v3 base score of 7.3 (NVD).
How do I remediate CVE-2026-78637?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2026-78637, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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